ref tuples

[Artur Skawina]

On 07/03/13 02:22, Brad Anderson wrote:
> C++11's std::tuple includes a function std::tie that takes references to the arguments and returns a tuple that maintains the references to the arguments.
> 
> Along with the usual cases where you'd want reference semantics it also enables this interesting construct for unpacking tuples.
> 
> int a, b;
> tie(a, b) = make_tuple(1, 2);
> 
> assert(a == 1 && b == 2);
> 
> Is there any way to do something similar with std.typecons.Tuple?

Well, aliases can be used to get a similar effect.

   template tie(A...) { alias tie = A; }
   tie!(a, b) = tuple(1, 2);

artur